Bad coil maybe? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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Where does this wire go?
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post #1 of 12 (permalink) Old 07-17-2013, 06:02 PM Thread Starter
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Bad coil maybe?

I got wires and extended my coil wires to my top coil and it fired correctly. But the bottom coil doesn't. Is there anything else just shy of getting another coil to make it have a stronger fire. I have done the coil mod.

Is there a ground on this coil


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post #2 of 12 (permalink) Old 07-17-2013, 09:19 PM
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top coil

bottom coil

pickup coils?

which coil mod?
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post #3 of 12 (permalink) Old 07-17-2013, 10:10 PM Thread Starter
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the coil mod where you run the relay and bigger wires to your coils.
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post #4 of 12 (permalink) Old 07-17-2013, 10:25 PM
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I am sorry I am lost. Okay.

Are we talking about a Vulcan 750? There are not top/bottom ignition coils on a VN. There are top and bottom spark plug wires on each coil.

The ignition coils are grounded when bolted, or are you talking about triggering the coil to fire the plugs?

edit-It may just be me.

Last edited by wmsonta; 07-17-2013 at 10:27 PM.
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post #5 of 12 (permalink) Old 07-17-2013, 10:59 PM
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Probably the easiest way to check the coils on a 2 cylinder waste spark motorcycle, is to swap the coils. If the symptoms are reversed (to the other cylinder), the coil is bad. If the symptoms do not change at all, it is something else.
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post #6 of 12 (permalink) Old 07-18-2013, 10:15 PM Thread Starter
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sorry for the confusion. When I meant top/bottom coil, I meant the front cylinder coil and the rear one. The front one is on top of the bike near the base of the handlebars and the bottom one is attached to the battery box, thus top and bottom.
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post #7 of 12 (permalink) Old 07-18-2013, 11:27 PM
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gotcha...
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post #8 of 12 (permalink) Old 07-18-2013, 11:53 PM
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the ignition coils ground out through the frame, if you have no spark on the rear coil, check that your pulsator coil wires have continuity,
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post #9 of 12 (permalink) Old 07-19-2013, 05:56 PM Thread Starter
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Pardon my ignorance but what is a pulsater coil wires. I know a lot about bikes but the ones I mostly worked on was 1980 and back 2 or 4 cylinder Honda's. This new stuff is new to me.

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post #10 of 12 (permalink) Old 07-19-2013, 09:06 PM
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Pulsar coil is the magnetic pickup image the stator cover used to tell the ignition control box when to send juice from one coil to the other... Also called pickup coils

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